JLG 1250AJP Troubleshooting Manual page 252

SECTION 3 - HYDRAULIC REFERENCE
Platform Control Schematic
LEVEL CYLINDER
1250AJP
Annulus: 14.73 sq. in.
Cyl. Area Ratio: 1.33:1
BOOM CTL
"T2"
10 MICRON ABS
B10 >= 1000
IN
100 PSI
BYPASS
BOOM CTL
"P3"
3-252
LEVEL CYLINDER
1200SJP-1350SJP
Annulus: 16.49 sq. in.
Cyl. Area Ratio: 1.19:1
.047
L1 L2
2000 PSI
1500 PSI
2
T
MP
P
OUT
Figure 3-6. Hydraulic Schematic - Platform Control - Sheet 1 of 2
M1 L1
(1250AJP)
(1200SJP-1350SJP)
1
3000 PSI (1250AJP)
2500 PSI (1200SJP-1350SJP)
1
2
2
S1
3
2
1
2
2.0 GPM
3
1
1
2
1250AJP
PLATFORM ROTATOR
Displacement: 14 c.i.r.
C1
V1
L2 M2 R1
2 4
4
S2 S1
1 3 1
1
75 PSI
2
0.2 GPM
2
1
C2
V2
R2
S2
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